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Theorem dmv 5919
Description: The domain of the universe is the universe. (Contributed by NM, 8-Aug-2003.)
Assertion
Ref Expression
dmv dom V = V

Proof of Theorem dmv
StepHypRef Expression
1 ssv 4002 . 2 dom V ⊆ V
2 dmi 5918 . . 3 dom I = V
3 ssv 4002 . . . 4 I ⊆ V
4 dmss 5899 . . . 4 ( I ⊆ V → dom I ⊆ dom V)
53, 4ax-mp 5 . . 3 dom I ⊆ dom V
62, 5eqsstrri 4013 . 2 V ⊆ dom V
71, 6eqssi 3994 1 dom V = V
Colors of variables: wff setvar class
Syntax hints:   = wceq 1534  Vcvv 3469  wss 3944   I cid 5569  dom cdm 5672
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1964  ax-7 2004  ax-8 2101  ax-9 2109  ax-ext 2698  ax-sep 5293  ax-nul 5300  ax-pr 5423
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 847  df-3an 1087  df-tru 1537  df-fal 1547  df-ex 1775  df-sb 2061  df-clab 2705  df-cleq 2719  df-clel 2805  df-ral 3057  df-rex 3066  df-rab 3428  df-v 3471  df-dif 3947  df-un 3949  df-in 3951  df-ss 3961  df-nul 4319  df-if 4525  df-sn 4625  df-pr 4627  df-op 4631  df-br 5143  df-opab 5205  df-id 5570  df-xp 5678  df-rel 5679  df-dm 5682
This theorem is referenced by: (None)
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